Home / 762,249.03-1,051,896.45-418,077.91

Finding the Fourth Proportional to 762,249.03, 1,051,896.45 and 418,077.91

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Solution

The fourth proportional to 762,249.03, 1,051,896.45 and 418,077.91 is: 576,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,249.03 : 1,051,896.45 = 418,077.91 : x
  2. Step 2: Convert to fraction form
    762,249.03/1,051,896.45 = 418,077.91/x
  3. Step 3: Cross multiply
    762,249.03x = 1,051,896.45 × 418,077.91
  4. Step 4: Simplify right side
    762,249.03x = 439,774,669,352.42
  5. Step 5: Solve for x
    x = 439,774,669,352.42/762,249.03
  6. Step 6: Final answer
    x = 576,943.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.